 Check her out. Oh, man. I like that. When young men turn 18, they think they know a lot about the facts of life. But there are a few more facts they need to know. Fact, you have to register with Selective Service when you turn 18. It's the law. Fact, registration keeps you eligible for government jobs and student loans. Fact, it's easy to register. Just visit SSS.gov or any post office. Register with Selective Service when you turn 18. It's the law. And that's a fact.